Protection Function Parameters: L - Omron VARISPEED L7 Manual

Protection Function Parameters: L

Motor Overload: L1
Name
Para-
meter
Num-
Display
ber
Sets whether the motor thermal over-
load protection function is enabled or
disabled.
Motor pro-
0: Disabled
tection selec-
1: General-purpose motor protection
tion
(fan cooled motor)
2: Inverter motor protection (exter-
nally cooled motor)
L1-01
3: Vector motor protection
When the Inverter power supply is
turned off, the thermal value is
reset, so even if this parameter is
MOL Fault
set to 1, protection may not be
Select
effective.
5: Permanent magnet constant torque
motor protection
Sets the electric thermal detection
Motor pro-
time in seconds units.
tection time
Usually changing this setting is not
constant
necessary.
The factory setting is 150% overload
L1-02
for one minute.
When the motor's overload capabil-
MOL Time
ity is known, also set the overload
Const
resistance protection time for when
the motor is hot started.
Power Loss Settings: L2
Name
Para-
meter
Num-
Display
ber
Undervoltage
Sets the DC bus undervoltage
detection level
L2-05 (UV) detection level (DC bus
voltage).
PUV Det Level
Rescue Opera-
tion DC bus
Sets the DC bus voltage during
L2-11 Voltage
rescue operation.
Volt@batterydr
*1. These are values for a 200 V class Inverter. The value for a 400 V class Inverter is the double.
Setting
Description
Range
0 to 3
0 or 5
0.1 to
5.0
Setting
Description
Range
150 to
190 VDC
210
*1
0 to
*1
400
Control Methods
Change
Factory during
Open
Setting Opera-
V/f Loop
tion
Vector
Q Q
1 1
i No
- -
1.0 min No A A
Control Methods
Change
Factory during
Open
Setting Opera-
V/f Loop
tion
Vector
No A A
*1
0 VDC No A A
MEMO-
Closed
Closed
BUS Page
Loop
Loop
Register
Vector
Vector
(PM)
Q
-
1
480H 6-44
A
-
5
A -A 481H 6-44
MEMO-
Closed
Closed
BUS Page
Loop
Loop
Register
Vector
Vector
(PM)
A A 489H -
A A 4CBH 6-77
5
37
5-